<html>
    <head>
        <title>地球</title>
        <meta charset="UTF-8"/>
        <script src="earth.js"></script>
    </head>
    <body style="margin:0; padding:0">
        <div style="width:100%; height:100%; background-color: #000000; position: relative;">
          <canvas width="1500" height="950" id="canvas" onclick="draw()" onload="draw()"
           style="background-color: #fff; display: block; margin:auto;
           position: absolute; top:0; right:0; bottom: 0; left:0" >

          </canvas>
        </div>
    </body>
</html>
